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stat.ME2026
COSTA: Covariance-Optimized Design and Causal Inference under Network-Temporal Interference
Qianyi Chen, Bo Li, Yongli Qin +1
Experiments on networks observed over time face network spillovers, temporal carryover, and dependence deliberately introduced by the design. We propose COSTA---Covariance-Optimize…
stat.AP2026
Ensuring Trustworthy Online A/B Testing: Addressing Five Key Questions on CUPED
Yu Zhang, Bokui Wan, Yongli Qin +2
A/B testing has become the gold standard for data-driven decision-making in large-scale online experimentation, providing critical guidance for feature launch, pricing optimization…